Plate 10 

 MUREX SHELLS AND ROYAL TYRL\i\ PURPLE 



a. West Indian Murex, Murex brevijrons Lam., 4 inches (Southeastern 



Florida and the West Indies), p. 203. 



b. Giant Eastern Murex, Murex fulvescens Sby., 6 inches (North C^arolina 



to Texas), p. 203. 



c. Regal Murex, Murex regius Swainson, 6 inches (Gulf of California to 



Panama), not in text. 



d. Beau's Murex, Murex beaui Fischer and Bern., 4 inches (Gulf of 



Mexico and the West Indies), p. 202. 



e. Lace Murex, Miirex florifer Reeve, 3 inches (Florida and the West 



Indies), p. 203. 



f. Antillean Murex, Murex antillarinn Hinds, 3 inches (West Indies) 



not in text. 



g. Beau's Murex, Murex beaui F. and B., 5 inches. Deep-water form 



(Florida and West Indies), p. 202. 



h. Cabrit's Murex, Murex cabriti Bernardi, 2 inches (Florida and the 

 West Indies), p. 201. 



i. Banded Dve Murex, Murex trunculus L., 3 inches (Mediterranean Sea), 

 p. 12. 



j. Spiny Dye Murex, Murex braudaris L., 3 inches (Mediterranean Sea 

 and West Africa), p. 12. 



k. Cabbage Murex, Murex brassica Lam., 7 inches (West Mexico), not 

 in text. 



1. Apple Murex, Murex pomum Gmelin, 3 inches (North Carolina to the 

 West Indies), p. 202. 



m. PiNK-MOUTHED MuREx, Murex erythrostomus SAvainson, fi inches (Gulf 

 of California to Panama), not in text. 



n. t(j cj. Strips of paper dyed with Royal Tyrian Purple from the 

 Mediterranean Sea and FraiK e. \^arious shades were obtained by 

 the ancients by varying the concentration of snail dye. the number 

 of dips and the species of snail, n. Light dipping from Murex trun- 

 culus. o. Light dipping from Murex braudaris. p. Heavy concentrat- 

 ion from Murex braudaris and Thais liaeniasfouia. (|. Fre(|uent dips 

 in a heavy bath from Murex fruuculus and Thais lapillus (see p. 12). 



